I got to say really struggled at first with the mouse only controls but the movement was a lot easier once i saw you mentioned about a WASD key option to someone in the comments. Not understanding the spinning weapon part mostly I mainly defeated enemies with the right button then left button shield strikes but i started to get the hang of the spinning weapon stuff as well towards the end. I made it to about Level 7 i think before coming to write this comment.
This was quite a nice fantasy world experience you have created so i can tell a lot of work got put into the game it was quite a nostalgic experience. The shop keepers, detailed inventory etc. reminded me of the RPG games of old.
Thanks!